Average annual temperature is 19.7 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: 2.0 °C
Number of sunny days: 238 days
Number of rainy days: 127 days
Look at detailed online map of Luján
* Weather data for Luján Argentina is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.8 | 37.3 | 34.1 | 28.0 | 25.2 | 22.2 | 24.2 | 31.5 | 32.1 | 34.2 | 37.5 | 37.9 |
| Average daytime temperature (°C) | 31.2 | 30.6 | 28.7 | 22.9 | 20.5 | 17.2 | 17.7 | 21.9 | 23.5 | 27.2 | 30.2 | 30.9 |
| Average temperature (°C) | 25.5 | 24.9 | 24.1 | 18.5 | 16.0 | 12.9 | 12.7 | 15.8 | 17.4 | 20.6 | 23.4 | 24.9 |
| Average night temperature (°C) | 20.2 | 19.6 | 20.1 | 14.8 | 12.6 | 9.3 | 8.6 | 10.4 | 12.0 | 14.2 | 17.1 | 19.4 |
| Absolute minimum temperature (°C) | 14.8 | 8.2 | 15.7 | 8.9 | 6.7 | 2.0 | 2.5 | 5.2 | 5.4 | 6.8 | 5.3 | 13.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.0 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.8 | 14.2 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.4 | 12.3 | 10.6 | 8.4 | 7.8 | 7.4 | 8.2 | 9.6 | 9.6 | 11.1 | 11.9 | 11.7 |
| Precipitation (mm) | 145 | 45 | 135 | 15 | 18 | 4 | 6 | 1 | 5 | 18 | 60 | 41 |
| Sunny days | 12 | 14 | 14 | 15 | 23 | 23 | 27 | 30 | 25 | 22 | 19 | 14 |
| Rainy days | 19 | 14 | 17 | 15 | 8 | 7 | 4 | 1 | 5 | 9 | 11 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Luján is at